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5x^2+16x+24=3
We move all terms to the left:
5x^2+16x+24-(3)=0
We add all the numbers together, and all the variables
5x^2+16x+21=0
a = 5; b = 16; c = +21;
Δ = b2-4ac
Δ = 162-4·5·21
Δ = -164
Delta is less than zero, so there is no solution for the equation
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